[INFO] cloning repository https://github.com/maardgs/rust-study-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maardgs/rust-study-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaardgs%2Frust-study-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaardgs%2Frust-study-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2258af4673974d264adf62d686eff4ae22d2efb9
[INFO] checking maardgs/rust-study-lab against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaardgs%2Frust-study-lab" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maardgs/rust-study-lab
[INFO] finished tweaking git repo https://github.com/maardgs/rust-study-lab
[INFO] tweaked toml for git repo https://github.com/maardgs/rust-study-lab written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maardgs/rust-study-lab on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maardgs/rust-study-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking maardgs/rust-study-lab against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaardgs%2Frust-study-lab" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maardgs/rust-study-lab
[INFO] finished tweaking git repo https://github.com/maardgs/rust-study-lab
[INFO] tweaked toml for git repo https://github.com/maardgs/rust-study-lab written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maardgs/rust-study-lab on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maardgs/rust-study-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aac55ca012bdbd05e4c3ba002642accf5a5a17624de0ca32c5cc3b7ad3ee83a5
[INFO] running `Command { std: "docker" "start" "-a" "aac55ca012bdbd05e4c3ba002642accf5a5a17624de0ca32c5cc3b7ad3ee83a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aac55ca012bdbd05e4c3ba002642accf5a5a17624de0ca32c5cc3b7ad3ee83a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac55ca012bdbd05e4c3ba002642accf5a5a17624de0ca32c5cc3b7ad3ee83a5", kill_on_drop: false }`
[INFO] [stdout] aac55ca012bdbd05e4c3ba002642accf5a5a17624de0ca32c5cc3b7ad3ee83a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dinherent-method-on-receiver" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69a3693fb99a55e3728ee9600014e3f1cfc6decd7743e5b95644c4b33a65427d
[INFO] running `Command { std: "docker" "start" "-a" "69a3693fb99a55e3728ee9600014e3f1cfc6decd7743e5b95644c4b33a65427d", kill_on_drop: false }`
[INFO] [stderr]     Checking aula_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/notas.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calcular_media` is never used
[INFO] [stdout]   --> src/notas.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn calcular_media(notas: &Vec<f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/notas.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maior_nota` is never used
[INFO] [stdout]   --> src/notas.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn maior_nota(notas: &Vec<f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calcular_media` is never used
[INFO] [stdout]   --> src/notas.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn calcular_media(notas: &Vec<f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `menor_nota` is never used
[INFO] [stdout]   --> src/notas.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn menor_nota(notas: &Vec<f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maior_nota` is never used
[INFO] [stdout]   --> src/notas.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn maior_nota(notas: &Vec<f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `classificar_notas` is never used
[INFO] [stdout]   --> src/notas.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn classificar_notas(notas: &Vec<f64>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `menor_nota` is never used
[INFO] [stdout]   --> src/notas.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn menor_nota(notas: &Vec<f64>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/ownership.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `classificar_notas` is never used
[INFO] [stdout]   --> src/notas.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn classificar_notas(notas: &Vec<f64>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consumir_string` is never used
[INFO] [stdout]   --> src/ownership.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn consumir_string(texto: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adicionar_sufixo` is never used
[INFO] [stdout]   --> src/ownership.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn adicionar_sufixo(texto: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/ownership.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `primeira_palavra` is never used
[INFO] [stdout]   --> src/ownership.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn primeira_palavra(s: &String) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consumir_string` is never used
[INFO] [stdout]   --> src/ownership.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn consumir_string(texto: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Livro` is never constructed
[INFO] [stdout]  --> src/livros.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Livro {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/livros.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adicionar_sufixo` is never used
[INFO] [stdout]   --> src/ownership.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn adicionar_sufixo(texto: &mut String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `primeira_palavra` is never used
[INFO] [stdout]   --> src/ownership.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn primeira_palavra(s: &String) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `imprimir_livros` is never used
[INFO] [stdout]   --> src/livros.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn imprimir_livros(livros: &[Livro]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Livro` is never constructed
[INFO] [stdout]  --> src/livros.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Livro {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/livros.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `imprimir_livros` is never used
[INFO] [stdout]   --> src/livros.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn imprimir_livros(livros: &[Livro]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "69a3693fb99a55e3728ee9600014e3f1cfc6decd7743e5b95644c4b33a65427d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a3693fb99a55e3728ee9600014e3f1cfc6decd7743e5b95644c4b33a65427d", kill_on_drop: false }`
[INFO] [stdout] 69a3693fb99a55e3728ee9600014e3f1cfc6decd7743e5b95644c4b33a65427d